The goal of roundabouts is to provide a R friendly way to access the roundabouts data from https://roundabouts.kittelson.com/.
You can install the development version of roundabouts like so:
pak::pak("emilhvitfeldt/roundabouts")The roundabouts data set:
library(roundabouts)
dplyr::glimpse(roundabouts)
#> Rows: 27,887
#> Columns: 13
#> $ name <chr> "Arapahoe Ave. / 4th St.", "Arapahoe Ave. / 5th …
#> $ address <chr> "Boulder, Boulder Co., CO (United States)", "Bou…
#> $ coordinates <chr> "-105.2916,40.01294", "-105.28919999999999,40.01…
#> $ type <chr> "Traffic Calming Circle", "Traffic Calming Circl…
#> $ status <chr> "Existing", "Existing", "Existing", "Existing", …
#> $ year_completed <chr> "0", "0", "0", "0", "0", "0", "0", "0", "1997", …
#> $ approaches <chr> "3", "3", "4", "4", "0", "0", "0", "0", "4", "0"…
#> $ driveways <chr> "0", "0", "0", "0", "0", "0", "0", "0", "0", "0"…
#> $ lane_type <chr> "Single-Lane", "Single-Lane", "Single-Lane", "Si…
#> $ functional_class <chr> "Other (At-Grade)", "Other (At-Grade)", "Other (…
#> $ control_type <chr> "One-Way/Two-Way Stop", "One-Way/Two-Way Stop", …
#> $ other_control_type <chr> "None", "None", "Unknown", "Unknown", "Unknown",…
#> $ previous_control_type <chr> "Unknown", "Unknown", "Unknown", "Unknown", "Unk…We can visualize the locations of the collected roundabouts
library(tidyverse)
world_map <- map_data("world")
roundabouts_loc <- roundabouts |>
separate(coordinates, c("lon", "lat"), sep = ",", convert = TRUE)
distinct(world_map, region) %>%
ggplot(aes(map_id = region)) +
geom_map(map = world_map) +
expand_limits(x = world_map$long, y = world_map$lat) +
geom_point(aes(lon, lat), data = roundabouts_loc, inherit.aes = FALSE,
color = "orange", alpha = 0.2, size = 0.05) +
theme_void() +
theme(panel.background = element_rect(fill = "lightblue"))